<template>
    <div class="login_container">
        <!-- 登录盒子  -->
        <div class="login_box">
            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="" />
            </div>
            <!-- 登录表单 -->
            <el-form :model="loginForm" :rules="LoginFormRules" ref="LoginFormRef" label-width="0px" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" type="password" prefix-icon="iconfont icon-3702mima">
                    </el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="toLogin">登录</el-button>
                    <el-button type="info" @click="reset">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    name: 'login',
    data() {
        return {
            loginForm: {
                username: 'admin',
                password: '123456'
            },
            LoginFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: "请输入密码", trigger: "blur" },
                    {
                        min: 6,
                        max: 15,
                        message: "密码长度在 6 到 15 个字符",
                        trigger: "blur",
                    },
                ]
            }
        }
    },
    created() { },
    methods: {
        // 登录
        toLogin() {
            this.$refs.LoginFormRef.validate(async (valid) => {
                if (valid) {
                    // 点击请求登录接口
                    const res = await this.$http.post('login', { username: this.loginForm.username, password: this.loginForm.password })

                    const { data } = res

                    if (data.meta.status == 200) {
                        this.$message.success(data.meta.msg)
                        // 储存登录后的令牌
                        sessionStorage.setItem('token', data.data.token)

                        // 跳转路由地址
                        this.$router.push('/home')
                    } else {
                        this.$message.error(data.meta.msg)
                    }
                } else {
                    this.$message.error('输入错误')
                }
            })
        },

        // 重置
        reset() {
            this.$refs.LoginFormRef.resetFields()
        }
    }
}
</script>
<style lang="less" scoped>
.login_container {
    background-color: #2b5b6b;
    height: 100%;
}

.login_box {
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
        height: 130px;
        width: 130px;
        border: 1px solid #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;

        img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
}

.login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.btns {
    display: flex;
    justify-content: flex-end;
}
</style>